Amazon.com: Wii Fit U w/Wii Balance Board accessory and Fit Meter - Wii U : Video Games
Wii Balance Board
Wii Balance Board Teardown - iFixit
Wii Balance Board Battery Case Replacement - iFixit Repair Guide
Fixed! Wii Fit Balance Board Won't Sync | Some Life Blog
Can I repair this balance board or is it for the dumpster? : r/wii
Amazon.com: RepairBox Battery Cover for Wii Fit Balance Board : Video Games
Accidentally left the batteries in my wii balance board for 9 years and it corroded the converters away, is it possible for me to fix? : r/consolerepair
Wii Balance Board
NEW Repair box replacement battery cover for Nintendo Wii Balance board Q15 813048018421 | eBay
Corrosion from batteries that leaked on Wii Balance Board (more explanation in comment) : r/consolerepair
How to Sync a Wii Fit Balance Board: 6 Steps (with Pictures)
How to Fix a Nintendo Wii Balance Board that won't power on at all - YouTube
Wii Fit Balance Board Power Button Repair - YouTube
Nintendo Support: How to Install the Foot Extensions